t t t c We t 114 Ca we t J ri4 Q St Jt Tr Lit 121 71 STUDENT SOLUTIONS MANUAL

T t t c we t 114 ca we t j ri4 q st jt tr lit 121 71

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t, - ~ t-t) .c;.'" We. t = '11'"(4:) Ca,> we t - ~ J..,.. r/i4-'Q/ St~ ...J~t Tr Lit-'121 71 STUDENT SOLUTIONS MANUAL (United States Edition) Digital & Analog Comm. Systems 8th Edition, L. W. Couch, II
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(b) -7 t :~ 10 ,0.002 ... 3 f :'= 20 6) := 2- T·f C C C sin{1r" T' t) met) := --- [Sin[T'; t]( m (t) := ---- h T "..- t 2 s (t)= 1& m (t) . cos [6l C .t] - lD h (t)· sin [CA) c · t] 1 set) o t 3 72 STUDENT SOLUTIONS MANUAL (United States Edition) Digital & Analog Comm. Systems 8th Edition, L. W. Couch, II
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5-27 .fc :- 1 fm:- O.25fc 11ft.) :- 005(2-..., fm·t.) .Of ]. eCt) :- :: ..... L .... •. sin (2 1f fit, t) ~ [ 2~'" I'm sp(t) := cos(2 y"fe- t + IlP-lI(t») Sinusoidal messa·. wV'eform 1.5 m(t) -1 .. 5 -4 t 1.5 ap(t),m(tl -1.5 1 .. 5 sf(t),Il(t) t wave.form for cinu$01dal in t -4 t 73 4 STUDENT SOLUTIONS MANUAL (United States Edition) Digital & Analog Comm. Systems 8th Edition, L. W. Couch, II
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I 5·30 I (q.) +. ::. \ 0" · '( wH\~ :::: / 2 ,9 Co W1 H f SPF ~ r- 15'KH~ f/ A r 8PF ;; g ::: 'r.; ']~ ~ ... i !SweJ>F:: 2 (AF t+w.):; '( (1. \)~ +/~} ~tI~ :: Ltg. (/) ~Hi (b.) {, ::: {~ +.f ~t:::. Il,"H, -S" :: 7.'Ul> ~ H~ SPFO 0 .~ ....... , r. :. .(:e - ( ~ + .. ~ I <."1(" f S" \ .I/.i~ ..., H~ "t&fF I t(,:~w\"~ 74 STUDENT SOLUTIONS MANUAL (United States Edition) Digital & Analog Comm. Systems 8th Edition, L. W. Couch, II
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1 5- 32 1 (<ilJ ~)::. 1), WI,(4:) = :10 Cc>S w,t - =t w.pW ~ ~ CD''o.'t = 0/1. cOS(2.0otfrrc) 1 ", ~ =- 0.2 V fh#r:.J.1c Hl: ",. ,. , Petth::= ' t ~) e (-6.) ... ~f f "'f(>.U~ :: ;20 "CIS "",'I: .. - =} '" &:):. 2. 0 eL r. c.os w, -I:. ] =-ZE.. (1 6 1);) 'ff )$ jill UJ, "t.. r l)p ~t 10· ttl; (-1:.) = - 0, 12'9 $I;,~i, 1t1"F(t)~ O.I'-5VV , flit ::.1 k U~, (c) '" = V .. :,.:. (500)"":: 1.5kW' Av R. ?-(so) 1. i lc~l1- : t It 1-f. In (p) @ll~_ (5- 5]» u~,~ (5- 5'1 ) .. -}/ 9 IT ~ t It1.. [Jo1(~) -f ~ ~ In').(fiU W~ey~ :1. N.f'l1:: 1S T ~ N-:. ;;.'" :. ;j~1' :::. ~.s ~ ~ N~ A I~\) J A:: ¥ ';:. .KdAIt] :::. (8 l.J:i;v,lt) t ~~tt J _ r "" -rtf'} 1l:e - ...:). 0 U-SUJ; Mf(.1k cnD: Ac:= 100 p :-= N:,.. n := •• N 5.0 3 1 2 2 PT :- O.SoAc [JO(I') + 2o~ Jn c n'I')2] ~ = 2583.485 watts (normalized for lO) 75 STUDENT SOLUTIONS MANUAL (United States Edition) Digital & Analog Comm. Systems 8th Edition, L. W. Couch, II
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I 5-38 s(-t.}::. A<.. l~ [Wd .. 7- t! SIt. IV ..... -i ] W~ef'"-c:..- fie..::' jl INc..-::: :br(fII.~.b1.XJ~I,J - lJr (a\ 11 0 (1t ~II.;' ~Aj " W'h- \I~) J {):: lfS \' 18()o ~ ~ D.'785+~. ~ (S-GO) c;.(fJ~~_~J'nC~) n f-ht,.J dE)" ~~ set) = ~ [Ga-t.) +G~(-{-{~)J ~ = ~ L~g> -S-~(~)[a{'-"L-(\ +[( {-"t>+c~( -:s ~l ~ e~f"~M\~ ~ \~ £w: v\ 0 o,9~ ~ '=- 2. tw. ( r + I) { Ol~~ "2- 0,011 = L(t j:H-2'j" 19~tf) 0.00'14- :.. ~ ~.;-I (LH~ \~({)\ ){">O 0,4-25' 0,1.} o.~ O,L 76 STUDENT SOLUTIONS MANUAL (United States Edition) Digital & Analog Comm. Systems 8th Edition, L. W. Couch, II
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77 STUDENT SOLUTIONS MANUAL (United States Edition) Digital & Analog Comm. Systems 8th Edition, L. W. Couch, II
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5-42. G,,,t J el. l )L.f) \ ,,0 \ It 5' I I \ I I~O I .2.. 0.;; '6 -t; .. tf .. ~ - L - 10 f ,oMH~ 78 STUDENT SOLUTIONS MANUAL (United States Edition) Digital & Analog Comm. Systems 8th Edition, L. W. Couch, II
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I 5-46 I N RJ:"1 I9ltJ:..), (il).)J.l -s I (ct-) . ... "t..,= J~ ( T..n. . . . l.,h 11'~ A6= D f 0 mWdi"'.It [SoU. :.4s-l:. ~ =-1lr 5 ~of~ =:> J/ ~ :;rfitJ ~ 7jft~~·I'$). =:. . ... ,. '18 v:fe~ \5-G; ) *' AF -:;. J~. ::. ",/!/!i l = t..SSHs, (t,.) F"1Wtt (S-2G J tUtJ (S-27) SUi: 4=-1 fli-fj-lS'(f+£.) + 1£..M (f..{ 1 -lL M (;fHe} 27f 1-1(, '-It f + £. CJb. c.. Mlf.··· .. ):.i}[JttIt}J: z:..~f{f-"'-) lVhue f;,::.;1-=IOO ... ~ .. i -" . IO.sq" ~ ,s'{fj ~ 4:- [ f({-{} 1- [( f-l-{) + It.. .. ......
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